<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>管理员注册页面</title>
    
  </head>
  
  <body>
<h1>管理员注册:</h1>
<hr/>
<p style="font-weight: 900; color: red">${msg }</p>
<div style="margin: auto;text-align: center;
    background-color: cornflowerblue;border:1px solid darkblue;width:50%">
    <h1>管理员注册页面</h1>
    <form action="#" method="post">
        <span id="sp"></span><br>
        管理员账户：<input type="text" name="username" onblur="check()" id="un"/><br/>
        密　　　码：<input type="password" name="password"/><br/>
        <input type="submit" value="完成注册" style="background-color:darkkhaki;width: 260px;height:30px;border-radius: 10px;margin: 10px"/>
    </form>
</div>
  <script type="text/javascript">
      function check(){
          $("#sp").html("");
          let count= $("#un").val();

      }
  </script>
  </body>
  </body>
  </body>
</html>
